polar communications & weather (pcw) mission guennadi kroupnik (csa) presentation to cgms-39
TRANSCRIPT
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Polar Communications & Weather (PCW)
Mission
Guennadi Kroupnik (CSA)
Presentation to CGMS-39
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Outline
• Introduction• Phase A accomplishments
– Orbit trade-off– URD– Industrial contract close-out– MRD
• Ongoing activities• Next steps• Opportunities for international collaboration• Conclusion
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Why the Arctic?
• Canada is an Arctic nation• Increasing economic activities, marine and air traffic• Acceleration of climate
change• Air pollution transport
Opening of NW passageSeptember 2007From Modis 250-m imagery
Courtesy: Canada CenterFor Remote sensing
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Gap in Broadband Coverage
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Gap in Meteorological Coverage
100-400 hPaRecognized availability gap 55-65 N/STerra/Aqua AMVs
700 hPa to surfaceNo AMVs above 55 N/S
Required features to serve this application:• High temporal sequences• Simultaneous retrievals• Stereo views
Example of 07 Aug 2008 00
UTC AMV availability
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PCW Mission Overview
One of the highest priorities of the CSA
2 satellites in HEO to provide:
Continuous GEO-likeimagery above 50º N(refresh rate 15 minutes)
24/7 High data rate communication services in Ka-band and X-Band
Continuously collected space weather data
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Phase A Accomplishments• Extensive analyses of HEO options• Canadian and International Sections of the Users & Science Team
revised the Users Requirements Document taking into consideration HEO options analyses and released URD version 6.0
• All the objectives of the Phase A contract with the Industrial Team led by MDA were met and the contract was closed with a successful Preliminary Systems Requirements Review on March 31, 2011
• Based on the URD v.6.0 and the outcomes of the Industrial contract, the CSA, in close collaboration with Other Government Departments, elaborated and released the Mission Requirements Document (MRD)
• Mission Requirements were validated by feasible technical solutions for different HEO options (Molniya, Tundra, and TAP)
• Different procurement strategies were considered (Major Crown Project vs. Private Public Partnership (PPP)). Further elaboration of the PPP option is required.
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HEO Options
• 12hrs HEO provides for superior imaging conditions:– Two satellites in 1 orbital plane (6hrs apart) with 63.40 inclination, i.e. 4
apogee points: 950W, 1750E, 850E, 50W;– Critical inclination makes apogee location stable
– Rate of change for the argument of perigee 0– Radiation environment in this orbit is the most difficult
• 24hrs HEO provides for superior spacecraft longevity:– Two satellites in 1 orbital plane (2 apogees)– Non-critical inclination is possible to improve Arctic coverage– Rate of change for the argument of perigee in non-critical inclination is
much smaller than for 12 hrs orbit– Radiation environment in this orbit is comparable to GEO
• 16 hrs HEO provides for potential compromise between imaging conditions and spacecraft longevity
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16hrs HEO
Three APogee (TAP) orbitSuggested apogees: 950W; 250E, 1450E
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Comparison of Radiation Environment
3-4 order of magnitude smaller flux of high energy trapped protons
after 9mm AL shielding TAP orbit becomes similar to GEO
trapped protons flux essentially vanishes after 7mm AL shielding
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Ongoing Activities
• Three Phase A contracts for science instruments (space weather and atmospheric science) to contribute to the PCW enhanced mission has been awarded in May-June 2011.
• As a follow-up to the RFP published last year, 3 contracts for Critical Technologies development (bus and metpayload) are being negotiated with contract award planned for the end of October, 2011
• In collaboration with Public Works and Government Services Canada’s National Centre of Expertise in PPP, a contract for Preliminary Business Case Study is being negotiated with the contract award planned for mid-October, 2011
• RFP for Socio-Economic Benefits study is closing this week with the contract award planned for the end of October, 2011.
• Extensive consultations with potential Private Partners via Request For Information mechanism is being prepared with planned kick-off this fall.
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Next Steps (Under Review.TBC)
• Close-out of Phase A contracts for science instruments – Apr. 2012• Preliminary Business Case Analyses – Apr.
2012 • Socio-Economic Benefits Analyses - May
2012 • Final Business Case Analyses - Oct. 2012• Budget and Authorities - Feb. 2013• PPP Procurement
– RFQ - June 2013– RFP - Sept. 2013
• PPP Agreement - Oct. 2014• Beginning of data and services delivery - 2018
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Venues for International Collaboration
• Definition and validation of User's needs and Requirements,• Launch capabilities, • Spacecraft/core payloads subsystems and/or critical components, • Enhanced communications capabilities, • Secondary payload and its data processing or service delivery:
– GNSS, – ATM,– Science, – Technology demonstration, – Other?
• Ground segment (Back-up TT&C, Data processing and applications).
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Conclusion
• PCW represents an exciting opportunity to close the gap in global broadband communication services and meteorological observation coverage in the Arctic
• PCW is an engine for development of new technologies, applications and capabilities.
• The mission is open for international collaboration. Interesting opportunities have been identified and actively pursued.
• The Phase A outcomes clearly demonstrated merits of the PCW mission for Canada and in the international context.
• The technical feasibility of the PCW system is well established. • The Canadian Space Agency is working with Other Government
Departments and Private Sector to optimize the procurement strategy
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